CVE-2023-49735 : What You Need to Know

A detailed overview of the CVE-2023-49735 vulnerability affecting Apache Tiles.

Understanding CVE-2023-49735

This section focuses on providing insights into the nature and impact of the vulnerability.

What is CVE-2023-49735?

The CVE-2023-49735 vulnerability in Apache Tiles arises due to unvalidated input set as the DefaultLocaleResolver.LOCALE_KEY attribute on the session. This leads to potential path traversal and SSRF/XXE vulnerabilities when user-controlled data is passed to this key.

The Impact of CVE-2023-49735

The vulnerability impacts Apache Tiles versions 2 and above. It primarily affects products that are no longer supported by the maintainer, potentially exposing them to security risks.

Technical Details of CVE-2023-49735

This section delves into specific technical aspects of the CVE-2023-49735 vulnerability.

Vulnerability Description

The issue stems from the lack of validation of user input, specifically the DefaultLocaleResolver.LOCALE_KEY attribute, which can be exploited to enable path traversal and SSRF/XXE attacks.

Affected Systems and Versions

Apache Tiles versions 2.0.0 onwards are affected by this vulnerability.

Exploitation Mechanism

Exploitation occurs when user-controlled data is passed to the DefaultLocaleResolver.LOCALE_KEY attribute, enabling an attacker to potentially carry out path traversal and SSRF/XXE attacks.

Mitigation and Prevention

Here, we discuss measures to mitigate and prevent the CVE-2023-49735 vulnerability from being exploited.

Immediate Steps to Take

Users are advised to cease usage of products affected by this vulnerability. It is crucial to discontinue the use of versions from 2.0.0 onwards of Apache Tiles.

Long-Term Security Practices

Implement strict input validation mechanisms to prevent unvalidated user data manipulation that could lead to vulnerabilities like path traversal and SSRF/XXE.

Patching and Updates

As the vulnerability affects unsupported products, users are recommended to seek alternative supported software solutions to ensure ongoing security.